package com.dtdream.emr;

import org.apache.hadoop.hive.ql.exec.UDF;

/**
 * Created by zhn on 2018/4/9.
 */
public class UDFHelloWorld extends UDF {

    public String evaluate(String a){
        return "hello world!";
    }

    public String evaluate(double a){
        return "hello shanxi!";
    }
}
